Home / 137,074.20-205,571.88-52,827.72

Finding the Fourth Proportional to 137,074.20, 205,571.88 and 52,827.72

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Solution

The fourth proportional to 137,074.20, 205,571.88 and 52,827.72 is: 79,226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,074.20 : 205,571.88 = 52,827.72 : x
  2. Step 2: Convert to fraction form
    137,074.20/205,571.88 = 52,827.72/x
  3. Step 3: Cross multiply
    137,074.20x = 205,571.88 × 52,827.72
  4. Step 4: Simplify right side
    137,074.20x = 10,859,893,716.51
  5. Step 5: Solve for x
    x = 10,859,893,716.51/137,074.20
  6. Step 6: Final answer
    x = 79,226.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.